Home / 30,739.56-42,375.92-26,472.16

Finding the Fourth Proportional to 30,739.56, 42,375.92 and 26,472.16

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Solution

The fourth proportional to 30,739.56, 42,375.92 and 26,472.16 is: 36,493.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,739.56 : 42,375.92 = 26,472.16 : x
  2. Step 2: Convert to fraction form
    30,739.56/42,375.92 = 26,472.16/x
  3. Step 3: Cross multiply
    30,739.56x = 42,375.92 × 26,472.16
  4. Step 4: Simplify right side
    30,739.56x = 1,121,782,134.39
  5. Step 5: Solve for x
    x = 1,121,782,134.39/30,739.56
  6. Step 6: Final answer
    x = 36,493.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.